I didn't like my 6.4.3 digital clock reading in 24hr utc,
so I edited, as root, /etc/init.d/knoppix-autoconfig
on the first line which begins KTZ="$(get..
to read KTZ="America/New_York"
Then I set the digital clock format to %I:%M%P so now
it reads 10:09pm (today), instead of 3:09 (tomorrow).
Your zone may vary.